Seiko Chronograph Tachymeter 100M SNDG57P2 Men's WatchSeiko created this timepiece to clearly illustrate its power to innovate within the run of the mill chronograph designs. Seiko’s approach to the SNDG57P2 is a wonderful example of practical ingenuity that’s easy to operate and live with. The convenience of chronograph mated to hefty, bold looks; it’s, all packaged in a strong format that’s wearable in all casual settings and comfortable to carry for every age group.